5185728113 has 2 divisors, whose sum is σ = 5185728114. Its totient is φ = 5185728112.

The previous prime is 5185728103. The next prime is 5185728133. The reversal of 5185728113 is 3118275815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2809848064 + 2375880049 = 53008^2 + 48743^2 .

It is a cyclic number.

It is not a de Polignac number, because 5185728113 - 2⁸ = 5185727857 is a prime.

It is not a weakly prime, because it can be changed into another prime (5185728103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592864056 + 2592864057.

It is an arithmetic number, because the mean of its divisors is an integer number (2592864057).

Almost surely, 2^5185728113 is an apocalyptic number.

It is an amenable number.

5185728113 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185728113 is an equidigital number, since it uses as much as digits as its factorization.

5185728113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 41.

The square root of 5185728113 is about 72011.9997847581. Note that the first 3 decimals coincide. The cubic root of 5185728113 is about 1730.8917755213.

The spelling of 5185728113 in words is "five billion, one hundred eighty-five million, seven hundred twenty-eight thousand, one hundred thirteen".